[coccoliths] coccolith

Fri Dec 1 10:02:10 ART 2017

Thank's for yours attention and thanks forreplying my email.I have read the research results from Van Gorsel, J.T. and Troelstra, S.R., 1981. LateNeogene planktonic foraminiferal biostratigraphy and climato- stratigraphy ofthe Solo River section (Java, Indonesia). Mar. Micropaleontol., 6: 183—209.
Paleoclimate changes are reconstructed fromLate Miocene—earliest Pleistocene deep-water sediments of the Solo Riversection, using fluctuations in planktonic foraminiferal faunas, water depth andclastic influx. Intervals with common cold-water planktonics (Globigerinabulloides, Neogloboquadrina cf. pachyderma) are thought toreflect periods of increased upwelling, by triggered by Antarctic glaciations.The result obtained 5 zone climatostratigraphic (Cool, older than 6.0 m.y. — ±5.8 m.y., Moderately Warm (± 5.8 m.y.—5.0 m.), Cool (5.0—4.8 m.y), Warm to VeryWarm (4.8—± 2.7 m.y), Cool, ± 2.7 m.y.—age.
 Based on the results of the research, I would like to doresearch on paleoclimate based on nannoplankton species on the solo riversection, But I am confused what kind of nannolankton species that I will use todetermine the paleoclimate.Example : Coccolith diameter, diversity of discoater, Abundance of nannofossils, could be used to interpretation paleoclimatic change ?Thank'sBest RegardUmiyatun Choiriah

Thank

Umiyatun Choiriah

    On Friday, December 1, 2017, 3:07:34 PM GMT+7, Galović, Ines <ingalovic at hgi-cgs.hr> wrote:  

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Yes it's Cretaceous and Cenomanian age for what I coud determined. Thank You very much Jackie, I'll try to look on this species much closer now.

Cheers,

Ines 

From: Coccoliths [mailto:coccoliths-bounces at fcnym.unlp.edu.ar]On Behalf Of Lees, Jackie
Sent: Friday, December 1, 2017 12:38 AM
To: Mailing list for INA members and other scientists working with living or fossil nannoplankton <coccoliths at fcnym.unlp.edu.ar>
Subject: Re: [coccoliths] coccolith

Hi, Ines! 

Looks like it might be a side-view/cross-section of Rotelapillus, or maybe Cyclindralithus, assuming this is Cretaceous.

Cheers,

Jackie

On 30 Nov 2017, at 08:15, Galović, Ines <ingalovic at hgi-cgs.hr> wrote:

Does anybody know what coccolith species this could belong to?

Thank you! J

Ines<image001.gif> 

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Dr. Jacqueline A. Lees

Mesozoic Nannofossil Biostratigraphy Consultant
Honorary Senior Research Associate, UCL

j.lees at ucl.ac.uk
http://www.nannobiostrat.com

http://www.mikrotax.org/Nannotax3/index.html (Nannotax3)
http://ina.tmsoc.org (International Nannoplankton Association)
http://www.tmsoc.org (The Micropalaeontological Society)

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